Chitetezo cha mphezi cha substation
Kuti chitetezo cha mphezi chitetezedwe, chitetezo cha mphezi chokha chimafunika, ndiko kuti, malinga ndi kufunikira kwa mzere, mlingo wokhawokha wa mphezi umafunika. Ndipo popangira magetsi, malo ocheperako amafunikira kukana kwathunthu kwa mphezi.
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